Green flowers

From the cross of [Emerald Sea x Lima’s Green Success], Clone #4, is the largest and greenest so far. Flowers are 3 to a stem and each measures about 70 mm. Now I need to widen the petals without having them flower later in the season which is what will probably happen if I use the pollen onto a spring daffodil. In the second picture is also [Emerald Sea by viridiflorus] which is about the size of viridflorus but not as green. One can compare the sizes. Harold